Jan ( N = 88 )

Feb ( N = 69 )

Mar ( N = 240 )

Apr ( N = 239 )

May ( N = 240 )

Jun ( N = 186 )

Jul ( N = 191 )

Aug ( N = 203 )

Sep ( N = 226 )

Oct ( N = 232 )

Nov ( N = 162 )

Dec ( N = 248 )